<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

{{define "layer"}}
    <h4>layer {{.}}</h4>
    <code>
        {{range $i,$e := .}}
            {{$i}} : {{$e}}
        {{end}}
    </code>
{{end}}

<h3>userslist:</h3>
<p>userlist:</p>{{ .}}
<p>users:</p>
{{range $i,$e := .}}
    {{$i}}:{{$e}}
{{end}}
{{range .}}
    {{ .}}
{{end}}
</body>
</html>